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Finding the Fourth Proportional to 192,357.64, 265,430.64 and 106,311.34

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Solution

The fourth proportional to 192,357.64, 265,430.64 and 106,311.34 is: 146,696.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,357.64 : 265,430.64 = 106,311.34 : x
  2. Step 2: Convert to fraction form
    192,357.64/265,430.64 = 106,311.34/x
  3. Step 3: Cross multiply
    192,357.64x = 265,430.64 × 106,311.34
  4. Step 4: Simplify right side
    192,357.64x = 28,218,287,015.46
  5. Step 5: Solve for x
    x = 28,218,287,015.46/192,357.64
  6. Step 6: Final answer
    x = 146,696.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.